Jacob has settled into a quiet routine of a techno geek after his mother dies. The plans he made are disrupted when he discovers his life is in danger. He sets off on a mission that takes him into new technology views and exposes to him the inner-workings of unknown global technologists. Jacob learns that safeguards for technology are always evolving and being exploited. His challenge becomes how to keep ahead of the criminals and identify who to trust.

As the world's biggest powers compete for superiority, it's not larger weapons or greater numbers of soldiers that top their wish lists. Instead, it's the latest and greatest technological advances: nanotechnology, dynamic programming algorithms, and drones, working together to build the next generation of military communications. When a professor at a Texas university begins researching ways to improve animal husbandry and boost global food supplies, her results catch the eye of inquisitive engineer Keith Austin Avery, whose interests have nothing to do with solving world hunger. But as Avery works on potential new uses for this technology, his research draws the attention of a powerful terrorist group, with traumatic results for him and his subcontractor Eilla-Zan Marshall.

When a Brazilian industrialist hires the R-Group, the world's most elite information-gathering unit to track the disappearance of his daughter - a dangerous - but quiet hunt begins. But just finding her doesn't mean all will be well. The team in Switzerland follows the leads from South America to Mexico and the Caribbean, but the data trail is leading nowhere. Sometimes the most important clues come from unlikely sources.

The Enigma Wraith, the fourth book in the Enigma series, serves up yet another captivating techno-thriller racing with romance, humor, and possible catastrophe. When an Irish financial institution, a Brazilian hydroelectric plant, a NATO base, and a smart car traveling through the European countryside are each hacked by the same sinister force, the world is introduced to the first glimpse of the potential damage that the Ghost Code can inflict - on both a personal and an industrial level.

Unidentified power mongers are plotting massive destabilization of the stock market, with the end game to not only optimize their wealth, but to also control the future. No need to cut a nervous investor off in traffic to initiate a stock market crash. All you need is unlimited computer power and the ethical nihilism to manipulate lives. The R-Group, a high-level information gathering and security team, believes at least one group - possibly several - are using Big Data analysis to customize the future to their image.

The R-Group is called in by a US agency to find Dr. Pekoni, as he is suspected of trying to finalize a project after funding was revoked. Quip and EZ, supported by Julie and Juan’s fledgling CATS team, are thrust into the forefront of the cyber wars, battling against an evil force seeking to harness supercomputer technology to re-engineer humans at the cellular level. Does the team have the skills needed for this assignment?

Julie and Juan’s cyber assassin technology services team or CATS find themselves immersed in outrageous cyber-crime events in multiple locations. They send their feet-on-the-street teams to investigate the causes of the mayhem. Unexpectedly, they find the culprits are holding international cities, big businesses, air traffic, and even emergency systems hostage to terrifying digital ransom demands.